<template>
  <div class="seller" ref="seller">
    <div class="seller-content">
      <div class="overview">
        <h1 class="title">{{seller.name}}</h1>
        <div class="desc border-bottom">
          <div class="star">
            <v-star :size="36" :score="seller.score"></v-star>
          </div>
          <span class="text">({{seller.ratingCount}})</span>
          <span class="text">月售{{seller.sellCount}}单</span>
        </div>
        <ul class="remark">
          <li class="block">
            <h2>起送价</h2>
            <div class="content">
              <span class="stress">{{seller.minPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>商家配送</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryPrice}}</span>元
            </div>
          </li>
          <li class="block">
            <h2>平均配送时间</h2>
            <div class="content">
              <span class="stress">{{seller.deliveryTime}}</span>元
            </div>
          </li>
        </ul>
        <div @click="toggleFavorite" class="favorite">
          <span class="icon-favorite" :class="{'active': favorite}"></span>
          <span class="text">{{favoriteText}}</span>
        </div>
      </div>
      <split></split>
      <div class="bulletin">
        <h1 class="title">公告与活动</h1>
        <div class="content-wrapper border-bottom">
          <p class="content">{{seller.bulletin}}</p>
        </div>
        <ul v-if="seller.supports" class="supports">
          <li v-for="(item, index) in seller.supports" class="support-item border-bottom" :key="index">
            <span class="icon" :class="classMap[seller.supports[index].type]"></span>
            <span class="icon" :class="classMap[seller.supports[index].type]"></span>
            <span class="text">{{seller.supports[index].description}}</span>
          </li>
        </ul>
      </div>
      <split></split>
      <div class="pics">
        <div class="title">商家实景</div>
          <div class="pic-wrapper" ref="picWrapper">
            <ul class="pic-list" ref="picList">
              <li class="pic-item" v-for="pic in seller.pics"><img :src="pic" width="120" height="90" /></li>
            </ul>
          </div>
      </div>
      <split></split>
      <div class="info">
        <h1 class="title border-bottom">商家信息</h1>
        <ul>
          <li class="info-item" v-for="info in seller.infos">{{info}}</li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script>
import split from './common/Split'
import VStar from './common/Star'
import BScroll from 'better-scroll'
import { mapState, mapMutations, mapActions, mapGetters } from 'vuex'
import { saveToLocal, loadFromLocal } from 'lib/tools'
export default {
  name: 'Seller',
  components: {
    split,
    VStar
  },
  data () {
    return {
      favorite: false
    }
  },
  computed: {
    ...mapState(['seller']),
    favoriteText () {
      return this.favorite ? '已收藏' : '收藏'
    }
  },
  methods: {
    toggleFavorite () {
      this.favorite = !this.favorite
      console.log(this.seller)
      saveToLocal(this.seller.id, 'favorite', this.favorite)
    },
    _initScroll () {
      this.scroll = new BScroll(this.$refs.seller)
    },
    _initPics () {
      if (this.seller.pics) {
        let picWidth = 120
        let margin = 6
        let width = (picWidth + margin) * this.seller.pics.length - margin
        this.$refs.picList.style.width = `${width}px`
        this.picScroll = new BScroll(this.$refs.picWrapper, {
          scrollX: true,
          eventPassthrough: 'vertical'
        })
      }
    }
  },
  created () {
    this.classMap = ['decrease', 'discount', 'special', 'invoice', 'guarantee']
  },
  mounted () {
    this.$store.dispatch('getSellerInfos')
    this.$nextTick(() => {  // 代码保证 this.$el 在 document 中
      this._initScroll()
      this._initPics()  // mounted 此刻的seller还是空对象，所以要使用 watch检测seller变化，或者使用 updated() 钩子函数，但尽量使用watcher和计算属性
    })
  },
  watch: {
    'seller' () {
      this.$nextTick(() => {
        this._initPics()
        console.log('watch')
      })
    }
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/mixin.styl'
  @import '~styles/base.styl'

  .seller
    position absolute
    top 174px
    bottom 0
    left 0
    width 100%
    overflow hidden
    .overview
      position relative
      padding 18px
      .title
        margin-bottom 8px
        line-height 14px
        color rgb(7, 17, 27)
        font-size 14px
      .desc
        padding-bottom 18px
        font-size 0
        .star
          display inline-block
          vertical-align top
          margin-right 8px
        .text
          display inline-block
          margin-right 12px
          line-height 18px
          color rgb(77, 85, 93)
          font-size 10px
      .remark
        display flex
        padding-top 18px
        .block
          flex 1
          text-align center
          border-right 1px solid rgba(7, 17, 27, 0.1)
          &:last-child
            border 0
          h2
            margin-bottom 4px
            line-height 10px
            font-size 10px
            color rgb(147, 153, 159)
          .content
            line-height 24px
            font-size 10px
            color rgb(7, 17, 27)
            .stress
              font-size 24px
      .favorite
        position absolute
        right 8px
        top 18px
        width 50px
        text-align center
        font-size 0
        .icon-favorite
          display block
          margin-bottom 4px
          line-height 24px
          font-size 24px
          color #d4d6d9
          &.active
            color rgb(240, 20, 20)
        .text
          line-height 10px
          font-size 10px
          color rgb(77, 85, 93)
    .bulletin
      padding 18px 18px 0 18px
      .title
        margin-bottom 8px
        line-height 14px
        font-size 14px
        color rgb(7, 17, 27)
      .content-wrapper
        padding 0 12px 16px 12px
        .content
          line-height 24px
          font-size 12px
          color rgb(240, 20, 20)
      .supports
        .support-item
          padding 16px 12px
          .icon
            display inline-block
            vertical-align top
            width 16px
            height 16px
            margin-right 6px
            background-size 16px 16px
            background-repeat no-repeat
            &.decrease
              bg-image('~img/seller/decrease_4')
            &.discount
              bg-image('~img/seller/discount_4')
            &.guarantee
              bg-image('~img/seller/guarantee_4')
            &.invoice
              bg-image('~img/seller/invoice_4')
            &.special
              bg-image('~img/seller/special_4')
          .text
            line-height 16px
            font-size 12px
            color rgb(7, 17, 27)
    .pics
      padding 18px
      .title
        margin-bottom 12px
        line-height 14px
        font-size 14px
        color rgb(7, 17, 27)
      .pic-wrapper
        width 100%
        overflow hidden
        white-space nowrap
        .pic-list
          .pic-item
            display inline-block
            margin-right 6px
            width 120px
            height 90px
            &:last-child
              margin 0
    .info
      padding 18px 18px 0 18px
      color rgb(7, 17, 27)
      .title
        padding-bottom 12px
        line-height 14px
        font-size 14px
      .info-item
        padding 16px 12px
        line-height 16px
        font-size 12px
</style>
